=== modified file 'dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/ValidationUtils.java'
--- dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/ValidationUtils.java	2011-09-24 20:57:32 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/ValidationUtils.java	2011-10-06 17:00:43 +0000
@@ -28,6 +28,7 @@
  */
 
 import java.util.Locale;
+import java.util.regex.Pattern;
 
 import org.apache.commons.validator.DateValidator;
 import org.apache.commons.validator.EmailValidator;
@@ -39,6 +40,8 @@
  */
 public class ValidationUtils
 {
+    private static Pattern REGEX_PATTERN = Pattern.compile( "\\[[\\+\\-]*\\d+\\.*\\d*,[\\+\\-]*\\d+\\.*\\d*\\]" );
+    
     /**
      * Validates whether an email string is valid.
      * 
@@ -100,8 +103,8 @@
      * 
      * @return true if the coordinate is valid, false otherwise.
      */
-    public static boolean validateGeoCoordinates( String coordinate )
+    public static boolean coordinateIsValid( String coordinate )
     {
-        return true;
+        return coordinate != null ? REGEX_PATTERN.matcher( coordinate ).matches() : false;
     }
 }

=== added file 'dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/ValidationUtilsTest.java'
--- dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/ValidationUtilsTest.java	1970-01-01 00:00:00 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/test/java/org/hisp/dhis/system/util/ValidationUtilsTest.java	2011-10-06 17:00:43 +0000
@@ -0,0 +1,57 @@
+package org.hisp.dhis.system.util;
+
+/*
+ * Copyright (c) 2004-2010, University of Oslo
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ * * Neither the name of the HISP project nor the names of its contributors may
+ *   be used to endorse or promote products derived from this software without
+ *   specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+import static junit.framework.Assert.*;
+import static org.hisp.dhis.system.util.ValidationUtils.*;
+
+import org.junit.Test;
+
+/**
+ * @author Lars Helge Overland
+ */
+public class ValidationUtilsTest
+{
+    @Test
+    public void testCoordinateIsValid()
+    {
+        assertTrue( coordinateIsValid( "[+37.99034,-28.94221]" ) );
+        assertTrue( coordinateIsValid( "[37.99034,-28.94221]" ) );
+        assertTrue( coordinateIsValid( "[+37.99034,28.94221]" ) );
+        assertTrue( coordinateIsValid( "[37.99034,28.94221]" ) );
+        assertTrue( coordinateIsValid( "[+37,-28.94221]" ) );
+        assertTrue( coordinateIsValid( "[37.99034,28]" ) );
+        
+        assertFalse( coordinateIsValid( "23.34343,56.3232" ) );
+        assertFalse( coordinateIsValid( "23.34343 56.3232" ) );
+        assertFalse( coordinateIsValid( "[23.34f43,56.3232]" ) );
+        assertFalse( coordinateIsValid( "23.34343,56.323.2" ) );
+        assertFalse( coordinateIsValid( "S-0.27726 E37.08472" ) );
+        assertFalse( coordinateIsValid( "17298" ) );
+    }
+}